Question

A man purchased some book at 4 for rupees 39 and sold them at 3 for rupees 42 thereby gaining rupees 51 how many books did he purchase

Answer 1

Answer:

5

Step-by-step explanation:

As according to question 1 book = 9.75rupees

Then

No of books =51/9.75

That is 5 with 5 rupee left

Answer 2

Answer:

team support - brain.ly team

answer = 12 books

Step-by-step explanation:

sol-

cp of 4 books=39

cp of 1 book=39/4 = 9.75

sp of 3 books=42

sp of 1 book= 42/3 = 14

profit = 14-9.75 = 4.25

total profit get= 51

profit on 1 book = 4.25

no of book he sold = 51/4.25 = 12

thereby, he sold 12 books for gaining 51 rs profit